In this episode, Dr. Killeen shares a memorable story about Nobel Prize-winning physicist Max Planck and his chauffeur to illustrate the difference between sounding knowledgeable and truly understanding your craft. In a world filled with endless information and AI-generated answers, real expertise comes from depth, not memorization. Whether it's clinical dentistry, practice leadership, or understanding your business, lasting success is built through experience, curiosity, and consistent learning. Surface knowledge may look convincing, but it's deep understanding that helps you adapt, solve problems, and grow with confidence. Dr. Killeen encourages listeners to identify one area where they can move beyond knowing the right answers and begin developing true mastery.